CN217341749U

CN217341749U - Feeding device of sand mill in laboratory

Info

Publication number: CN217341749U
Application number: CN202122734766.0U
Authority: CN
Inventors: 刘琦; 淦文军; 袁立军; 徐庭敏; 李开娟
Original assignee: Chongqing Panzhihua Iron And Steel Group Co ltd
Current assignee: Chongqing Panzhihua Iron And Steel Group Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-09-02
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a laboratory sand mill feed arrangement in sand mill field, including dispersion jar and air compressor machine, the bottom of dispersion jar is equipped with air inlet pipe and sand mill charge-in pipeline, air inlet pipe's the other end links to each other with the air compressor machine, and sand mill charge-in pipeline links to each other with the sand mill feed inlet. The utility model improves the slurry circulation rate when the titanium dioxide is primarily dispersed by the dispersion machine by arranging the compressed air inlet pipeline on the dispersion tank, so that the stirring efficiency is high; the addition of the sand mill feeding pipeline reduces the transfer of slurry or the movement of the tank body, so that the operation is more convenient; the overall use is favorable for better dissolution, dispersion and depolymerization of the titanium dioxide, the operation is more convenient, the operation time is shortened, and the grinding efficiency of a laboratory on the titanium dioxide is improved.

Description

Feeding device of sand mill in laboratory

Technical Field

The utility model relates to a sand mill field especially relates to a laboratory sand mill feed arrangement.

Background

The laboratory multifunctional dispersing machine mainly aims at primary stirring, dispersing and dissolving of powdery titanium dioxide, and the laboratory sand mill is used for grinding, crushing and dispersing titanium dioxide slurry again to enable the particle size fineness of the titanium dioxide slurry to reach a good depolymerization state, so that the titanium dioxide subjected to next pulping and coating treatment has better performance in all aspects.

At present, in the treatment process of titanium dioxide, the primary crushing of the titanium dioxide and the secondary dispersion of titanium dioxide slurry are separately carried out, after the titanium dioxide is primarily crushed to be made into the titanium dioxide slurry, a dispersion tank is moved or the slurry in the dispersion tank is moved to other glass containers, then the dispersion tank or the glass containers are placed beside a sand mill, a feeding pipeline of the sand mill is placed in the dispersion tank or the glass containers, and the sand mill is started to disperse the titanium dioxide slurry again to achieve the grinding effect. At present, the treatment mode of titanium dioxide is low in efficiency, the primary grinding effect is poor, the secondary grinding of titanium dioxide slurry is further influenced, and the secondary grinding of the titanium dioxide slurry is needed when the effect is poor.

SUMMERY OF THE UTILITY MODEL

For overcoming current laboratory sand mill inefficiency, first grinding effect is not enough not good etc, the utility model aims to solve the technical problem that: the laboratory sand mill feeding device can improve the dispersing and grinding efficiency.

The utility model provides a technical scheme that its technical problem adopted is:

laboratory sand mill feed arrangement, including dispersion jar and air compressor machine, the bottom of dispersion jar is equipped with pressure air inlet duct and sand mill charge-in pipeline, the other end of pressure air inlet duct links to each other with the air compressor machine, and sand mill charge-in pipeline links to each other with the sand mill feed inlet.

Further, the compressed air inlet pipeline and the sand mill feeding pipeline are respectively arranged on two opposite side walls at the bottom of the dispersion tank.

Furthermore, an air inlet valve and a feed valve are respectively arranged on the compressed air inlet pipeline and the sand mill feed pipeline.

The utility model has the advantages that: through arranging the compressed air inlet pipeline and the sand mill feeding pipeline on the dispersing tank, when the dispersing machine is used for primarily crushing the titanium dioxide powder, the coarse particles at the bottom of the tank body can be impacted to the position close to the dispersing disc by using high-pressure air, so that the primary crushing effect on the titanium dioxide is improved, and the coarse particles are reduced; after the primary crushing is finished, the titanium white slurry can be directly sent into the sand mill by using a sand mill feeding pipeline, so that the aim of dispersing the titanium white is fulfilled. The increase of the tank body pressure air pipeline improves the circulation rate of slurry when the titanium dioxide is primarily dispersed by the dispersing machine, so that the stirring efficiency is high; the addition of the tank body feeding pipeline reduces the transfer of slurry or the movement of the tank body, so that the operation is more convenient; the overall use is favorable for better dissolution, dispersion and depolymerization of the titanium dioxide, the operation is more convenient, the operation time is shortened, and the grinding efficiency of the laboratory on the titanium dioxide is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Labeled in the figure as 1-dispersion tank, 2-compressed air inlet line, 3-sander feed line, 4-inlet valve, 5-inlet valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model discloses a laboratory sand mill feed arrangement, including dispersion jar 1 and air compressor machine, dispersion jar 1's bottom is equipped with air intake pipe 2 and sand mill charge-in pipeline 3, air intake pipe 2's the other end links to each other with the air compressor machine, and sand mill charge-in pipeline 3 links to each other with the sand mill feed inlet.

The utility model discloses a working process is: firstly, when a dispersion machine is used for primarily crushing titanium dioxide powder, high-pressure air generated by an air compressor can be blown into a dispersion tank 1 through an air compression inlet pipeline 2, so that thicker particles at the bottom of a tank body are impacted to the vicinity of a dispersion disc, the primary crushing effect on the titanium dioxide is improved, and the number of the thicker particles is reduced; then, after the primary crushing is finished, the titanium white slurry can be directly sent into a sand mill by using a sand mill feeding pipeline 3, so that the aim of dispersing the titanium white is fulfilled.

The pressure air inlet pipeline 2 is arranged on the dispersion tank 1, so that the circulation rate of slurry when the titanium dioxide is primarily dispersed by the dispersion machine is increased, and the stirring efficiency is high; the addition of the sand mill feeding pipeline 3 reduces the transfer of slurry or the movement of a tank body, so that the operation is more convenient; the overall use is favorable for better dissolution, dispersion and depolymerization of the titanium dioxide, the operation is more convenient, the operation time is shortened, and the grinding efficiency of the laboratory on the titanium dioxide is improved.

It is further preferable that the compressed air inlet pipe 2 and the sand mill feed pipe 3 are respectively provided on the opposite side walls of the bottom of the dispersion tank 1 in order to facilitate the arrangement of the equipment. For the convenience of control, an air inlet valve 4 and a feed valve 5 are respectively arranged on the compressed air inlet pipeline 2 and the sand mill feed pipeline 3.

Adopt this optimizing apparatus to be arranged in laboratory work to develop, test first crushing back D (50) particle diameter reduces 10%, and test sanding back thick liquids D (50) particle diameter reduces 15%, and particle size distribution concentration is better, and whole required time shortens 30min, and improvement effect is obvious.

The present solution is further illustrated by the following specific examples.

The first embodiment is as follows:

1. weighing 1kg of titanium white powder falling into a kiln and 1L of water, adding 0.2% of dispersing agent into a laboratory multifunctional dispersing machine tank, setting the rotating speed of a dispersion plate to be 3000r/min, dispersing for 30min by a dispersing machine, and sampling to determine the D (50) particle size.

2. Two groups of tests are respectively carried out, wherein the first group adopts a traditional mode, namely a compressed air inlet pipeline and a sand mill feeding pipeline are closed in the whole process, and the materials are put into a grinding machine for grinding after dispersion is finished; and the second group opens a compressed air inlet pipeline to blow high-pressure gas during dispersion, closes the compressed air inlet pipeline after dispersion is finished, closes the dispersion machine, opens a sand mill inlet pipeline, performs sand grinding dispersion on titanium dioxide slurry, and samples and measures the D (50) particle size after dispersion is finished.

3. And cleaning the instrument after the cleaning is finished, closing the instrument after the cleaning is finished, and recording the time consumed in the whole process.

The experimental data are as follows:

from the above example it follows that: after the sand mill feeding device is optimized, the dispersing effect is obviously improved, the depolymerization effect is better, the effect of improving the dispersing effect is achieved, the time consumption of the whole process is shortened, and the working efficiency is improved.

Claims

1. Laboratory sand mill feed arrangement, characterized by: including dispersion jar (1) and air compressor machine, the bottom of dispersion jar (1) is equipped with air-compressing air intake duct (2) and sand mill charge-in pipeline (3), the other end of air-compressing air intake duct (2) links to each other with the air compressor machine, and sand mill charge-in pipeline (3) link to each other with the sand mill feed inlet.

2. The laboratory sander feeder of claim 1, wherein: the compressed air inlet pipeline (2) and the sand mill feeding pipeline (3) are respectively arranged on two opposite side walls at the bottom of the dispersion tank (1).

3. The laboratory sander feeder of claim 1, wherein: and the air compression air inlet pipeline (2) and the sand mill feeding pipeline (3) are respectively provided with an air inlet valve (4) and a feeding valve (5).